[andy/viking.git] / src / vikutils.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
/*
 * Dependencies in this file can be on anything.
 * For functions with simple system dependencies put it in util.c
 */
#include <math.h>
#include <glib/gstdio.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>

#include "vikutils.h"
#include "globals.h"
#include "download.h"
#include "preferences.h"
#include "vikmapslayer.h"
#include "settings.h"
#include "util.h"

#define FMT_MAX_NUMBER_CODES 9

/**
 * vu_trackpoint_formatted_message:
 * @format_code:  String describing the message to generate
 * @trkpt:        The trackpoint for which the message is generated about
 * @trkpt_prev:   A trackpoint (presumed previous) for interpolating values with the other trackpoint (such as speed)
 * @trk:          The track in which the trackpoints reside
 *
 *  TODO: One day replace this cryptic format code with some kind of tokenizer parsing
 *    thus would make it more user friendly and maybe even GUI controlable.
 * However for now at least there is some semblance of user control
 */
gchar* vu_trackpoint_formatted_message ( gchar *format_code, VikTrackpoint *trkpt, VikTrackpoint *trkpt_prev, VikTrack *trk )
{
	if ( !trkpt )
		return NULL;

	gint len = 0;
	if ( format_code )
		len = strlen ( format_code );
	if ( len > FMT_MAX_NUMBER_CODES )
		len = FMT_MAX_NUMBER_CODES;

	gchar* values[FMT_MAX_NUMBER_CODES];
	int i;
	for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
		values[i] = '\0';
	}

	gchar *speed_units_str = NULL;
	vik_units_speed_t speed_units = a_vik_get_units_speed ();
	switch (speed_units) {
	case VIK_UNITS_SPEED_MILES_PER_HOUR:
		speed_units_str = g_strdup ( _("mph") );
		break;
	case VIK_UNITS_SPEED_METRES_PER_SECOND:
		speed_units_str = g_strdup ( _("m/s") );
		break;
	case VIK_UNITS_SPEED_KNOTS:
		speed_units_str = g_strdup ( _("knots") );
		break;
	default:
		// VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
		speed_units_str = g_strdup ( _("km/h") );
		break;
	}

	gchar *separator = g_strdup ( " | " );

	for ( i = 0; i < len; i++ ) {
		switch ( g_ascii_toupper ( format_code[i] ) ) {
		case 'G': values[i] = g_strdup ( _("GPSD") ); break; // GPS Preamble
		case 'K': values[i] = g_strdup ( _("Trkpt") ); break; // Trkpt Preamble

		case 'S': {
			gdouble speed = 0.0;
			gchar *speedtype = NULL;
			if ( !isnan(trkpt->speed) && trkpt_prev ) {
				if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
					if ( trkpt->timestamp == trkpt_prev->timestamp ) {

						// Work out from previous trackpoint location and time difference
						speed = vik_coord_diff(&(trkpt->coord), &(trkpt_prev->coord)) / ABS(trkpt->timestamp - trkpt_prev->timestamp);

						switch (speed_units) {
						case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
							speed = VIK_MPS_TO_KPH(speed);
							break;
						case VIK_UNITS_SPEED_MILES_PER_HOUR:
							speed = VIK_MPS_TO_MPH(speed);
							break;
						case VIK_UNITS_SPEED_KNOTS:
							speed = VIK_MPS_TO_KNOTS(speed);
							break;
						default:
							// VIK_UNITS_SPEED_METRES_PER_SECOND:
							// Already in m/s so nothing to do
							break;
						}
						speedtype = g_strdup ( "*" ); // Interpolated
					}
					else
						speedtype = g_strdup ( "**" );
				}
				else
					speedtype = g_strdup ( "**" );
			}
			else {
				speed = trkpt->speed;
				speedtype = g_strdup ( "" );
			}

			values[i] = g_strdup_printf ( _("%sSpeed%s %.1f%s"), separator, speedtype, speed, speed_units_str );
			g_free ( speedtype );
			break;
		}

		case 'A': {
			vik_units_height_t height_units = a_vik_get_units_height ();
			switch (height_units) {
			case VIK_UNITS_HEIGHT_FEET:
				values[i] = g_strdup_printf ( _("%sAlt %dfeet"), separator, (int)round(VIK_METERS_TO_FEET(trkpt->altitude)) );
				break;
			default:
				//VIK_UNITS_HEIGHT_METRES:
				values[i] = g_strdup_printf ( _("%sAlt %dm"), separator, (int)round(trkpt->altitude) );
				break;
			}
			break;
		}

		case 'C': {
			gint heading = isnan(trkpt->course) ? 0 : (gint)round(trkpt->course);
			values[i] = g_strdup_printf ( _("%sCourse %03d\302\260" ), separator, heading );
			break;
		}

		case 'P': {
			if ( trkpt_prev ) {
				gint diff = (gint) round ( vik_coord_diff ( &(trkpt->coord), &(trkpt_prev->coord) ) );

				gchar *dist_units_str = NULL;
				vik_units_distance_t dist_units = a_vik_get_units_distance ();
				// expect the difference between track points to be small hence use metres or yards
				switch (dist_units) {
				case VIK_UNITS_DISTANCE_MILES:
					dist_units_str = g_strdup ( _("yards") );
					break;
				default:
					// VIK_UNITS_DISTANCE_KILOMETRES:
					dist_units_str = g_strdup ( _("m") );
					break;
				}

				values[i] = g_strdup_printf ( _("%sDistance diff %d%s"), separator, diff, dist_units_str );

				g_free ( dist_units_str );
			}
			break;
		}

		case 'T': {
			gchar tmp[64];
			tmp[0] = '\0';
			if ( trkpt->has_timestamp ) {
				// Compact date time format
				strftime (tmp, sizeof(tmp), "%x %X", localtime(&(trkpt->timestamp)));
			}
			else
				g_snprintf (tmp, sizeof(tmp), "--");
			values[i] = g_strdup_printf ( _("%sTime %s"), separator, tmp );
			break;
		}

		case 'M': {
			if ( trkpt_prev ) {
				if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
					time_t t_diff = trkpt->timestamp - trkpt_prev->timestamp;
					values[i] = g_strdup_printf ( _("%sTime diff %lds"), separator, t_diff );
				}
			}
			break;
		}

		case 'X': values[i] = g_strdup_printf ( _("%sNo. of Sats %d"), separator, trkpt->nsats ); break;

		case 'D': {
			if ( trk ) {
				// Distance from start (along the track)
				gdouble distd =	vik_track_get_length_to_trackpoint (trk, trkpt);
				gchar *dist_units_str = NULL;
				vik_units_distance_t dist_units = a_vik_get_units_distance ();
				// expect the difference between track points to be small hence use metres or yards
				switch (dist_units) {
				case VIK_UNITS_DISTANCE_MILES:
					dist_units_str = g_strdup ( _("miles") );
					distd = VIK_METERS_TO_MILES(distd);
					break;
				default:
					// VIK_UNITS_DISTANCE_KILOMETRES:
					dist_units_str = g_strdup ( _("km") );
					distd = distd / 1000.0;
					break;
				}
				values[i] = g_strdup_printf ( _("%sDistance along %.2f%s"), separator, distd, dist_units_str );
				g_free ( dist_units_str );
			}
			break;
		}

		case 'L': {
			// Location (Lat/Long)
			gchar *lat = NULL, *lon = NULL;
			struct LatLon ll;
			vik_coord_to_latlon (&(trkpt->coord), &ll);
			a_coords_latlon_to_string ( &ll, &lat, &lon );
			values[i] = g_strdup_printf ( "%s%s %s", separator, lat, lon );
			g_free ( lat );
			g_free ( lon );
			break;
		}

		case 'N': // Name of track
			values[i] = g_strdup_printf ( _("%sTrack: %s"), separator, trk->name );
			break;

		case 'E': // Name of trackpoint if available
			if ( trkpt->name )
				values[i] = g_strdup_printf ( "%s%s", separator, trkpt->name );
			else
				values[i] = g_strdup ( "" );
			break;

		default:
			break;
		}
	}

	g_free ( separator );
	g_free ( speed_units_str );

	gchar *msg = g_strconcat ( values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7], values[8], NULL );

	for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
		if ( values[i] != '\0' )
			g_free ( values[i] );
	}
	
	return msg;
}

typedef struct {
	GtkWindow *window; // Layer needed for redrawing
	gchar *version;    // Image list
} new_version_thread_data;

static gboolean new_version_available_message ( new_version_thread_data *nvtd )
{
	// Only a simple goto website option is offered
	// Trying to do an installation update is platform specific
	if ( a_dialog_yes_or_no ( nvtd->window,
	                        _("There is a newer version of Viking available: %s\n\nDo you wish to go to Viking's website now?"), nvtd->version ) )
		// NB 'VIKING_URL' redirects to the Wiki, here we want to go the main site.
		open_url ( nvtd->window, "http://sourceforge.net/projects/viking/" );

	g_free ( nvtd->version );
	g_free ( nvtd );
	return FALSE;
}

#define VIK_SETTINGS_VERSION_CHECKED_DATE "version_checked_date"

static void latest_version_thread ( GtkWindow *window )
{
	// Need to allow a few redirects, as SF file is often served from different server
	DownloadMapOptions options = { FALSE, FALSE, NULL, 5, NULL, NULL, NULL };
	gchar *filename = a_download_uri_to_tmp_file ( "http://sourceforge.net/projects/viking/files/VERSION", &options );
	//gchar *filename = g_strdup ( "VERSION" );
	if ( !filename ) {
		return;
	}

	GMappedFile *mf = g_mapped_file_new ( filename, FALSE, NULL );
	if ( !mf )
		return;

	gchar *text = g_mapped_file_get_contents ( mf );

	gint latest_version = viking_version_to_number ( text );
	gint my_version = viking_version_to_number ( VIKING_VERSION );

	g_debug ( "The lastest version is: %s", text );

	if ( my_version < latest_version ) {
		new_version_thread_data *nvtd = g_malloc ( sizeof(new_version_thread_data) );
		nvtd->window = window;
		nvtd->version = g_strdup ( text );
		gdk_threads_add_idle ( (GSourceFunc) new_version_available_message, nvtd );
	}
	else
		g_debug ( "Running the lastest version: %s", VIKING_VERSION );

	g_mapped_file_unref ( mf );
	if ( filename ) {
		g_remove ( filename );
		g_free ( filename );
	}

	// Update last checked time
	GTimeVal time;
	g_get_current_time ( &time );
	a_settings_set_string ( VIK_SETTINGS_VERSION_CHECKED_DATE, g_time_val_to_iso8601(&time) );
}

#define VIK_SETTINGS_VERSION_CHECK_PERIOD "version_check_period_days"

/**
 * vu_check_latest_version:
 * @window: Somewhere where we may need use the display to inform the user about the version status
 *
 * Periodically checks the released latest VERSION file on the website to compare with the running version
 *
 */
void vu_check_latest_version ( GtkWindow *window )
{
	if ( ! a_vik_get_check_version () )
		return;

	gboolean do_check = FALSE;

	gint check_period;
	if ( ! a_settings_get_integer ( VIK_SETTINGS_VERSION_CHECK_PERIOD, &check_period ) ) {
		check_period = 14;
	}

	// Get last checked date...
	GDate *gdate_last = g_date_new();
	GDate *gdate_now = g_date_new();
	GTimeVal time_last;
	gchar *last_checked_date = NULL;

	// When no previous date available - set to do the version check
	if ( a_settings_get_string ( VIK_SETTINGS_VERSION_CHECKED_DATE, &last_checked_date) ) {
		if ( g_time_val_from_iso8601 ( last_checked_date, &time_last ) ) {
			g_date_set_time_val ( gdate_last, &time_last );
		}
		else
			do_check = TRUE;
	}
	else
		do_check = TRUE;

	GTimeVal time_now;
	g_get_current_time ( &time_now );
	g_date_set_time_val ( gdate_now, &time_now );

	if ( ! do_check ) {
		// Dates available so do the comparison
		g_date_add_days ( gdate_last, check_period );
		if ( g_date_compare ( gdate_last, gdate_now ) < 0 )
			do_check = TRUE;
	}

	g_date_free ( gdate_last );
	g_date_free ( gdate_now );

	if ( do_check ) {
#if GLIB_CHECK_VERSION (2, 32, 0)
		g_thread_try_new ( "latest_version_thread", (GThreadFunc)latest_version_thread, window, NULL );
#else
		g_thread_create ( (GThreadFunc)latest_version_thread, window, FALSE, NULL );
#endif
	}
}

/**
 * vu_set_auto_features_on_first_run:
 *
 *  Ask the user's opinion to set some of Viking's default behaviour
 */
void vu_set_auto_features_on_first_run ( void )
{
	gboolean auto_features = FALSE;
	if ( a_vik_very_first_run () ) {

		GtkWidget *win = gtk_window_new ( GTK_WINDOW_TOPLEVEL );

		if ( a_dialog_yes_or_no ( GTK_WINDOW(win),
		                          _("This appears to be Viking's very first run.\n\nDo you wish to enable automatic internet features?\n\nIndividual settings can be controlled in the Preferences."), NULL ) )
			auto_features = TRUE;
	}

	if ( auto_features ) {
		// Set Maps to autodownload
		// Ensure the default is true
		maps_layer_set_autodownload_default ( TRUE );

		// Simplistic repeat of preference settings
		//  Only the name & type are important for setting a preference via this 'external' way

		// Enable auto add map +
		// Enable IP lookup
		VikLayerParam pref_add_map[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "add_default_map_layer", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, NULL, NULL, NULL, }, };
		VikLayerParam pref_startup_method[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "startup_method", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_COMBOBOX, NULL, NULL, NULL, NULL, NULL, NULL}, };

		VikLayerParamData vlp_data;
		vlp_data.b = TRUE;
		a_preferences_run_setparam ( vlp_data, pref_add_map );

		vlp_data.u = VIK_STARTUP_METHOD_AUTO_LOCATION;
		a_preferences_run_setparam ( vlp_data, pref_startup_method );

		// Only on Windows make checking for the latest version on by default
		// For other systems it's expected a Package manager or similar controls the installation, so leave it off
#ifdef WINDOWS
		VikLayerParam pref_startup_version_check[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "check_version", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, NULL, }, };
		vlp_data.b = TRUE;
		a_preferences_run_setparam ( vlp_data, pref_startup_version_check );
#endif

		// Ensure settings are saved for next time
		a_preferences_save_to_file ();
	}
}
Commit	Line	Data
f93e0210 RN	1	/* -- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -- */
	2	/*
	3	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	4	*
	5	* Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
5ab2942c RN	22	/*
	23	* Dependencies in this file can be on anything.
	24	* For functions with simple system dependencies put it in util.c
	25	*/
f93e0210	26	#include <math.h>
5ab2942c	27	#include <glib/gstdio.h>
f93e0210	28	#include <glib/gi18n.h>
5ab2942c	29	#include <gtk/gtk.h>
f93e0210	30
f93e0210	31	#include "vikutils.h"
5ab2942c RN	32	#include "globals.h"
	33	#include "download.h"
	34	#include "preferences.h"
	35	#include "vikmapslayer.h"
	36	#include "settings.h"
	37	#include "util.h"
f93e0210 RN	38
	39	#define FMT_MAX_NUMBER_CODES 9
	40
	41	/**
	42	* vu_trackpoint_formatted_message:
	43	* @format_code: String describing the message to generate
	44	* @trkpt: The trackpoint for which the message is generated about
	45	* @trkpt_prev: A trackpoint (presumed previous) for interpolating values with the other trackpoint (such as speed)
	46	* @trk: The track in which the trackpoints reside
	47	*
	48	* TODO: One day replace this cryptic format code with some kind of tokenizer parsing
	49	* thus would make it more user friendly and maybe even GUI controlable.
	50	* However for now at least there is some semblance of user control
	51	*/
	52	gchar* vu_trackpoint_formatted_message ( gchar format_code, VikTrackpoint trkpt, VikTrackpoint trkpt_prev, VikTrack trk )
	53	{
	54	if ( !trkpt )
	55	return NULL;
	56
	57	gint len = 0;
	58	if ( format_code )
	59	len = strlen ( format_code );
	60	if ( len > FMT_MAX_NUMBER_CODES )
	61	len = FMT_MAX_NUMBER_CODES;
	62
	63	gchar* values[FMT_MAX_NUMBER_CODES];
	64	int i;
	65	for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
	66	values[i] = '\0';
	67	}
	68
	69	gchar *speed_units_str = NULL;
	70	vik_units_speed_t speed_units = a_vik_get_units_speed ();
	71	switch (speed_units) {
	72	case VIK_UNITS_SPEED_MILES_PER_HOUR:
	73	speed_units_str = g_strdup ( _("mph") );
	74	break;
	75	case VIK_UNITS_SPEED_METRES_PER_SECOND:
	76	speed_units_str = g_strdup ( _("m/s") );
	77	break;
	78	case VIK_UNITS_SPEED_KNOTS:
	79	speed_units_str = g_strdup ( _("knots") );
	80	break;
	81	default:
	82	// VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
	83	speed_units_str = g_strdup ( _("km/h") );
	84	break;
	85	}
	86
	87	gchar *separator = g_strdup ( " \| " );
	88
	89	for ( i = 0; i < len; i++ ) {
	90	switch ( g_ascii_toupper ( format_code[i] ) ) {
	91	case 'G': values[i] = g_strdup ( _("GPSD") ); break; // GPS Preamble
	92	case 'K': values[i] = g_strdup ( _("Trkpt") ); break; // Trkpt Preamble
	93
	94	case 'S': {
	95	gdouble speed = 0.0;
	96	gchar *speedtype = NULL;
	97	if ( !isnan(trkpt->speed) && trkpt_prev ) {
	98	if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
	99	if ( trkpt->timestamp == trkpt_prev->timestamp ) {
	100
	101	// Work out from previous trackpoint location and time difference
102	speed = vik_coord_diff(&(trkpt->coord), &(trkpt_prev->coord)) / ABS(trkpt->timestamp - trkpt_prev->timestamp);
103
104	switch (speed_units) {
105	case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
106	speed = VIK_MPS_TO_KPH(speed);
107	break;
108	case VIK_UNITS_SPEED_MILES_PER_HOUR:
109	speed = VIK_MPS_TO_MPH(speed);
110	break;
111	case VIK_UNITS_SPEED_KNOTS:
112	speed = VIK_MPS_TO_KNOTS(speed);
113	break;
114	default:
115	// VIK_UNITS_SPEED_METRES_PER_SECOND:
116	// Already in m/s so nothing to do
117	break;
118	}
119	speedtype = g_strdup ( "*" ); // Interpolated
120	}
121	else
122	speedtype = g_strdup ( "**" );
123	}
124	else
125	speedtype = g_strdup ( "**" );
126	}
127	else {
128	speed = trkpt->speed;
129	speedtype = g_strdup ( "" );
130	}
131
132	values[i] = g_strdup_printf ( _("%sSpeed%s %.1f%s"), separator, speedtype, speed, speed_units_str );
133	g_free ( speedtype );
134	break;
135	}
136
137	case 'A': {
138	vik_units_height_t height_units = a_vik_get_units_height ();
139	switch (height_units) {
140	case VIK_UNITS_HEIGHT_FEET:
141	values[i] = g_strdup_printf ( _("%sAlt %dfeet"), separator, (int)round(VIK_METERS_TO_FEET(trkpt->altitude)) );
142	break;
143	default:
144	//VIK_UNITS_HEIGHT_METRES:
145	values[i] = g_strdup_printf ( _("%sAlt %dm"), separator, (int)round(trkpt->altitude) );
146	break;
147	}
148	break;
149	}
150
151	case 'C': {
152	gint heading = isnan(trkpt->course) ? 0 : (gint)round(trkpt->course);
153	values[i] = g_strdup_printf ( _("%sCourse %03d\302\260" ), separator, heading );
154	break;
155	}
156
157	case 'P': {
158	if ( trkpt_prev ) {
159	gint diff = (gint) round ( vik_coord_diff ( &(trkpt->coord), &(trkpt_prev->coord) ) );
160
161	gchar *dist_units_str = NULL;
162	vik_units_distance_t dist_units = a_vik_get_units_distance ();
163	// expect the difference between track points to be small hence use metres or yards
164	switch (dist_units) {
165	case VIK_UNITS_DISTANCE_MILES:
166	dist_units_str = g_strdup ( _("yards") );
167	break;
168	default:
169	// VIK_UNITS_DISTANCE_KILOMETRES:
170	dist_units_str = g_strdup ( _("m") );
171	break;
172	}
173
174	values[i] = g_strdup_printf ( _("%sDistance diff %d%s"), separator, diff, dist_units_str );
175
176	g_free ( dist_units_str );
177	}
178	break;
179	}
180
181	case 'T': {
182	gchar tmp[64];
183	tmp[0] = '\0';
184	if ( trkpt->has_timestamp ) {
185	// Compact date time format
186	strftime (tmp, sizeof(tmp), "%x %X", localtime(&(trkpt->timestamp)));
187	}
188	else
189	g_snprintf (tmp, sizeof(tmp), "--");
190	values[i] = g_strdup_printf ( _("%sTime %s"), separator, tmp );
191	break;
192	}
193
194	case 'M': {
195	if ( trkpt_prev ) {
196	if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
197	time_t t_diff = trkpt->timestamp - trkpt_prev->timestamp;
198	values[i] = g_strdup_printf ( _("%sTime diff %lds"), separator, t_diff );
199	}
200	}
201	break;
202	}
203
204	case 'X': values[i] = g_strdup_printf ( _("%sNo. of Sats %d"), separator, trkpt->nsats ); break;
205
206	case 'D': {
207	if ( trk ) {
bb77b487	208	// Distance from start (along the track)
f93e0210 RN	209	gdouble distd = vik_track_get_length_to_trackpoint (trk, trkpt);
	210	gchar *dist_units_str = NULL;
	211	vik_units_distance_t dist_units = a_vik_get_units_distance ();
	212	// expect the difference between track points to be small hence use metres or yards
	213	switch (dist_units) {
	214	case VIK_UNITS_DISTANCE_MILES:
	215	dist_units_str = g_strdup ( _("miles") );
	216	distd = VIK_METERS_TO_MILES(distd);
	217	break;
	218	default:
	219	// VIK_UNITS_DISTANCE_KILOMETRES:
	220	dist_units_str = g_strdup ( _("km") );
	221	distd = distd / 1000.0;
	222	break;
	223	}
	224	values[i] = g_strdup_printf ( _("%sDistance along %.2f%s"), separator, distd, dist_units_str );
	225	g_free ( dist_units_str );
	226	}
	227	break;
	228	}
	229
	230	case 'L': {
	231	// Location (Lat/Long)
	232	gchar lat = NULL, lon = NULL;
	233	struct LatLon ll;
	234	vik_coord_to_latlon (&(trkpt->coord), &ll);
	235	a_coords_latlon_to_string ( &ll, &lat, &lon );
	236	values[i] = g_strdup_printf ( "%s%s %s", separator, lat, lon );
	237	g_free ( lat );
	238	g_free ( lon );
	239	break;
	240	}
	241
	242	case 'N': // Name of track
	243	values[i] = g_strdup_printf ( _("%sTrack: %s"), separator, trk->name );
	244	break;
	245
b45865b4 RN	246	case 'E': // Name of trackpoint if available
	247	if ( trkpt->name )
	248	values[i] = g_strdup_printf ( "%s%s", separator, trkpt->name );
	249	else
	250	values[i] = g_strdup ( "" );
	251	break;
	252
f93e0210 RN	253	default:
	254	break;
	255	}
	256	}
	257
	258	g_free ( separator );
	259	g_free ( speed_units_str );
	260
bb77b487	261	gchar *msg = g_strconcat ( values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7], values[8], NULL );
f93e0210 RN	262
	263	for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
	264	if ( values[i] != '\0' )
	265	g_free ( values[i] );
	266	}
	267
	268	return msg;
	269	}
5ab2942c RN	270
	271	typedef struct {
	272	GtkWindow *window; // Layer needed for redrawing
	273	gchar *version; // Image list
	274	} new_version_thread_data;
	275
	276	static gboolean new_version_available_message ( new_version_thread_data *nvtd )
	277	{
	278	// Only a simple goto website option is offered
	279	// Trying to do an installation update is platform specific
	280	if ( a_dialog_yes_or_no ( nvtd->window,
	281	_("There is a newer version of Viking available: %s\n\nDo you wish to go to Viking's website now?"), nvtd->version ) )
	282	// NB 'VIKING_URL' redirects to the Wiki, here we want to go the main site.
	283	open_url ( nvtd->window, "http://sourceforge.net/projects/viking/" );
	284
	285	g_free ( nvtd->version );
	286	g_free ( nvtd );
	287	return FALSE;
	288	}
	289
	290	#define VIK_SETTINGS_VERSION_CHECKED_DATE "version_checked_date"
	291
	292	static void latest_version_thread ( GtkWindow *window )
	293	{
	294	// Need to allow a few redirects, as SF file is often served from different server
	295	DownloadMapOptions options = { FALSE, FALSE, NULL, 5, NULL, NULL, NULL };
	296	gchar *filename = a_download_uri_to_tmp_file ( "http://sourceforge.net/projects/viking/files/VERSION", &options );
	297	//gchar *filename = g_strdup ( "VERSION" );
	298	if ( !filename ) {
	299	return;
	300	}
	301
	302	GMappedFile *mf = g_mapped_file_new ( filename, FALSE, NULL );
	303	if ( !mf )
	304	return;
	305
	306	gchar *text = g_mapped_file_get_contents ( mf );
	307
	308	gint latest_version = viking_version_to_number ( text );
	309	gint my_version = viking_version_to_number ( VIKING_VERSION );
	310
	311	g_debug ( "The lastest version is: %s", text );
	312
	313	if ( my_version < latest_version ) {
	314	new_version_thread_data *nvtd = g_malloc ( sizeof(new_version_thread_data) );
	315	nvtd->window = window;
	316	nvtd->version = g_strdup ( text );
	317	gdk_threads_add_idle ( (GSourceFunc) new_version_available_message, nvtd );
	318	}
	319	else
	320	g_debug ( "Running the lastest version: %s", VIKING_VERSION );
	321
	322	g_mapped_file_unref ( mf );
	323	if ( filename ) {
	324	g_remove ( filename );
	325	g_free ( filename );
	326	}
	327
	328	// Update last checked time
	329	GTimeVal time;
	330	g_get_current_time ( &time );
	331	a_settings_set_string ( VIK_SETTINGS_VERSION_CHECKED_DATE, g_time_val_to_iso8601(&time) );
	332	}
	333
334	#define VIK_SETTINGS_VERSION_CHECK_PERIOD "version_check_period_days"
335
336	/**
337	* vu_check_latest_version:
338	* @window: Somewhere where we may need use the display to inform the user about the version status
339	*
340	* Periodically checks the released latest VERSION file on the website to compare with the running version
341	*
342	*/
343	void vu_check_latest_version ( GtkWindow *window )
344	{
345	if ( ! a_vik_get_check_version () )
346	return;
347
348	gboolean do_check = FALSE;
349
350	gint check_period;
351	if ( ! a_settings_get_integer ( VIK_SETTINGS_VERSION_CHECK_PERIOD, &check_period ) ) {
352	check_period = 14;
353	}
354
355	// Get last checked date...
356	GDate *gdate_last = g_date_new();
357	GDate *gdate_now = g_date_new();
358	GTimeVal time_last;
359	gchar *last_checked_date = NULL;
360
361	// When no previous date available - set to do the version check
362	if ( a_settings_get_string ( VIK_SETTINGS_VERSION_CHECKED_DATE, &last_checked_date) ) {
363	if ( g_time_val_from_iso8601 ( last_checked_date, &time_last ) ) {
364	g_date_set_time_val ( gdate_last, &time_last );
365	}
366	else
367	do_check = TRUE;
368	}
369	else
370	do_check = TRUE;
371
372	GTimeVal time_now;
373	g_get_current_time ( &time_now );
374	g_date_set_time_val ( gdate_now, &time_now );
375
376	if ( ! do_check ) {
377	// Dates available so do the comparison
378	g_date_add_days ( gdate_last, check_period );
379	if ( g_date_compare ( gdate_last, gdate_now ) < 0 )
380	do_check = TRUE;
381	}
382
383	g_date_free ( gdate_last );
384	g_date_free ( gdate_now );
385
386	if ( do_check ) {
387	#if GLIB_CHECK_VERSION (2, 32, 0)
388	g_thread_try_new ( "latest_version_thread", (GThreadFunc)latest_version_thread, window, NULL );
389	#else
390	g_thread_create ( (GThreadFunc)latest_version_thread, window, FALSE, NULL );
391	#endif
392	}
393	}
394
395	/**
396	* vu_set_auto_features_on_first_run:
397	*
398	* Ask the user's opinion to set some of Viking's default behaviour
399	*/
400	void vu_set_auto_features_on_first_run ( void )
401	{
402	gboolean auto_features = FALSE;
403	if ( a_vik_very_first_run () ) {
404
405	GtkWidget *win = gtk_window_new ( GTK_WINDOW_TOPLEVEL );
406
407	if ( a_dialog_yes_or_no ( GTK_WINDOW(win),
408	_("This appears to be Viking's very first run.\n\nDo you wish to enable automatic internet features?\n\nIndividual settings can be controlled in the Preferences."), NULL ) )
409	auto_features = TRUE;
410	}
411
412	if ( auto_features ) {
413	// Set Maps to autodownload
414	// Ensure the default is true
415	maps_layer_set_autodownload_default ( TRUE );
416
417	// Simplistic repeat of preference settings
418	// Only the name & type are important for setting a preference via this 'external' way
419
420	// Enable auto add map +
421	// Enable IP lookup
422	VikLayerParam pref_add_map[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "add_default_map_layer", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, NULL, NULL, NULL, }, };
423	VikLayerParam pref_startup_method[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "startup_method", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_COMBOBOX, NULL, NULL, NULL, NULL, NULL, NULL}, };
424
425	VikLayerParamData vlp_data;
426	vlp_data.b = TRUE;
427	a_preferences_run_setparam ( vlp_data, pref_add_map );
428
429	vlp_data.u = VIK_STARTUP_METHOD_AUTO_LOCATION;
430	a_preferences_run_setparam ( vlp_data, pref_startup_method );
431
432	// Only on Windows make checking for the latest version on by default
433	// For other systems it's expected a Package manager or similar controls the installation, so leave it off
434	#ifdef WINDOWS
435	VikLayerParam pref_startup_version_check[] = { { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_STARTUP_NAMESPACE "check_version", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, NULL, VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, NULL, NULL, }, };
436	vlp_data.b = TRUE;
437	a_preferences_run_setparam ( vlp_data, pref_startup_version_check );
438	#endif
439
440	// Ensure settings are saved for next time
441	a_preferences_save_to_file ();
442	}
443	}